Safety gate



FIG. 1 is a front and right-side perspective view of a safety gate according to our design;

FIG. 2 is a rear and left-side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the safety gate that form no part of the claimed design. 

CLAIM The ornamental design for a safety gate, as shown and described. 